Sansui AU-7500

Data

General

• Manufacturer: Sansui
• Model: AU-7500
• Made in: Japan
• Color: Black
• Type: Stereo integrated amplifier
• Construction period: about 1972 - 1975
• Power consumption: 315 W
• Dimensions: (WxHxD) 440 x 140 x 322 mm.
• Weight: 12.7 kg
• Original price approx.: 75'900 Yen (Japan, 1973), 1'668 DM

Connections

• Number of inputs:
  • Phono 1: 2.5 mV, 50 kOhm.

Phono 2: 2.5 mV, switchable 30 kOhm, 50 kOhm, 100 kOhm

• • Microphone: 2.5 mV, 50 kOhm
  • Tuner: 100 mV, 50 kOhm
  • Aux: 100 mV, 50 kOhm
  • Tape Deck 1 & 2: 100 mV, 50 kOhm

Tape Deck 2 DIN: 100 mV, 50 kOhm

• • 4-channel adapter: 100 mV, 50 kOhm
  • Power amp input: 800 mV, 40 kOhm

• Number of outputs:
  • Tape Deck 1 & 2 Rec: 100 mV, 1.5 kOhm
  • Tape Deck 2 Rec/Play: 30 mV, 70 kOhm
  • 4-channel adapter, 2-channel output: 100 mV, 1.5 kOhm
  • Preamp Output: 800 mV at 0.08% (Max. Level: 4 V at <0.5% THD)
  • Terminals for 4 speakers

Technical Data

• Continuous power (at THD)
  • 8 Ohm: 2 x 43W DIN
  • 4 Ohm:
• Dynamic power
  • 8 Ohm:
  • 4 Ohm: 150W IHF
• Total harmonic distortion: < 0.1%
• Attenuation factor: 40 at 8 Ohm
• Overall frequency response: 5 - 40'000 Hz
• Signal to noise ratio:
  • Phono 1 & 2: >75 dB
  • Microphone: >60 dB
  • Tuner: >80 dB

Aux: >80 dB

• • Power Amplifier Input: >100 dB
• Stereo channel separation: >50 dB
• Noise level: >75 dB
• Tone control:
  • Bass: ± 15 dB
  • Mids: ± 5 db
  • Treble: ± 15 dB

Special Features

• Connection for 4-channel adapter
• 1 tape connection according to DIN.
• Low Filter
• High Filter
• Loudness: + 10 dB at 50 Hz, + 8 dB at 10 kHz
• Muting: - 20 dB
• Pre- and power amplifier can be separated

Notes

• Other models in the same series:
• Stereo amplifier:
• Sansui AU-6500
• Sansui AU-7500
• Sansui AU-8500
• Sansui AU-9500

• Quadro Amplifier
• Sansui QA-7000

• Tuner:
• Sansui TU-7500
• Sansui TU-9500

Pictures

• Image: Sansui AU-7500

• Excerpt from brochure: Sansui AU-7500

Reports

• External link: Hifi Studio review: [1]

Links

• External Link: "Hifi Archive" website: [2]

• External link: "Audio Heritage, Japan" website: [3]